The second and third virial coefficients of simple fluids

被引：7

作者：

Boltachev, GS ^{[1
]}

Baidakov, VG ^{[1
]}

机构：

[1] Russian Acad Sci, Ural Div, Inst Thermophys, Ekaterinburg 630016, Russia

来源：

HIGH TEMPERATURE | 2006年 / 44卷 / 01期

基金：

俄罗斯基础研究基金会;

关键词：

D O I：

10.1007/s10740-006-0009-z

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The asymptotic behavior of the second B and third C virial coefficients in the low temperature region is analyzed for fluids with a spherical pair-additive potential of interparticle interaction. The temperature dependences B(T) and C(T) are approximated by expressions which convey correctly the behavior of the virial coefficients in the low- and high-temperature limits. The free parameters of approximation formulas for pure nitrogen, argon, and oxygen are determined. The derived virial equations of state are used to calculate the limit of significant instability of the gas phase in a wide temperature range.

引用

页码：83 / 90

页数：8

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